test_regexp.rb, test_string.rb: suppress warnings

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43105 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nobu

test/ruby/test_regexp.rb

@@ -380,7 +380,7 @@ def test_unescape
     assert_equal(/a/, eval(%q(s="\u0061";/#{s}/n)))
     assert_raise(RegexpError) { s = "\u3042"; eval(%q(/#{s}/n)) }
     assert_raise(RegexpError) { s = "\u0061"; eval(%q(/\u3042#{s}/n)) }
-    assert_raise(RegexpError) { s1=[0xff].pack("C"); s2="\u3042"; eval(%q(/#{s1}#{s2}/)) }
+    assert_raise(RegexpError) { s1=[0xff].pack("C"); s2="\u3042"; eval(%q(/#{s1}#{s2}/)); [s1, s2] }
 
     assert_raise(ArgumentError) { s = '\x'; /#{ s }/ }
 
@@ -593,7 +593,7 @@ def test_parse
     check(/\A\80\z/, "80", ["\100", ""])
     check(/\A\77\z/, "?")
     check(/\A\78\z/, "\7" + '8', ["\100", ""])
-    check(/\A\Qfoo\E\z/, "QfooE")
+    check(eval('/\A\Qfoo\E\z/'), "QfooE")
     check(/\Aa++\z/, "aaa")
     check('\Ax]\z', "x]")
     check(/x#foo/x, "x", "#foo")
@@ -767,9 +767,9 @@ def test_char_class
 
   def test_posix_bracket
     check(/\A[[:alpha:]0]\z/, %w(0 a), %w(1 .))
-    check(/\A[[:^alpha:]0]\z/, %w(0 1 .), "a")
-    check(/\A[[:alpha\:]]\z/, %w(a l p h a :), %w(b 0 1 .))
-    check(/\A[[:alpha:foo]0]\z/, %w(0 a), %w(1 .))
+    check(eval('/\A[[:^alpha:]0]\z/'), %w(0 1 .), "a")
+    check(eval('/\A[[:alpha\:]]\z/'), %w(a l p h a :), %w(b 0 1 .))
+    check(eval('/\A[[:alpha:foo]0]\z/'), %w(0 a), %w(1 .))
     check(/\A[[:xdigit:]&&[:alpha:]]\z/, "a", %w(g 0))
     check('\A[[:abcdefghijklmnopqrstu:]]+\z', "[]")
     failcheck('[[:alpha')
@@ -1003,7 +1003,7 @@ def test_once
     # escape
     pr4 = proc{|i|
       catch(:xyzzy){
-        /#{throw :xyzzy, i}/o
+        /#{throw :xyzzy, i}/o =~ ""
         :ng
       }
     }

test/ruby/test_string.rb

@@ -2189,8 +2189,8 @@ def test_byteslice
     assert_equal(u("\x82")+("\u3042"*9), ("\u3042"*10).byteslice(2, 28))
 
     bug7954 = '[ruby-dev:47108]'
-    assert_equal(false, "\u3042".byteslice(0, 2).valid_encoding?)
-    assert_equal(false, ("\u3042"*10).byteslice(0, 20).valid_encoding?)
+    assert_equal(false, "\u3042".byteslice(0, 2).valid_encoding?, bug7954)
+    assert_equal(false, ("\u3042"*10).byteslice(0, 20).valid_encoding?, bug7954)
   end
 
   def test_unknown_string_option